should lose
Irregular verb: lose - lost- lost

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd lose
you'd lose
she'd lose
we'd lose
you'd lose
they'd lose 	I'd be losing
you'd be losing
she'd be losing
we'd be losing
you'd be losing
they'd be losing	I should've lost
you should've lost
she should've lost
we should've lost
you should've lost
they should've lost	I should've been losing
you should've been losing
she should've been losing
we should've been losing
you should've been losing
they should've been losing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't lose
you shouldn't lose
she shouldn't lose
we shouldn't lose
you shouldn't lose
they shouldn't lose 	I shouldn't be losing
you shouldn't be losing
she shouldn't be losing
we shouldn't be losing
you shouldn't be losing
they shouldn't be losing	I shouldn't have lost
you shouldn't have lost
she shouldn't have lost
we shouldn't have lost
you shouldn't have lost
they shouldn't have lost	I shouldn't have been losing
you shouldn't have been losing
she shouldn't have been losing
we shouldn't have been losing
you shouldn't have been losing
they shouldn't have been losing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I lose?
should you lose?
should she lose?
should we lose?
should you lose?
should they lose? 	should I be losing?
should you be losing?
should she be losing?
should we be losing?
should you be losing?
should they be losing? 	should I have lost?
should you have lost?
should she have lost?
should we have lost?
should you have lost?
should they have lost? 	should I have been losing?
should you have been losing?
should she have been losing?
should we have been losing?
should you have been losing?
should they have been losing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I lose?
shouldn't you lose?
shouldn't she lose?
shouldn't we lose?
shouldn't you lose?
shouldn't they lose? 	shouldn't I be losing?
shouldn't you be losing?
shouldn't she be losing?
shouldn't we be losing?
shouldn't you be losing?
shouldn't they be losing? 	shouldn't I have lost?
shouldn't you have lost?
shouldn't she have lost?
shouldn't we have lost?
shouldn't you have lost?
shouldn't they have lost? 	shouldn't I have been losing?
shouldn't you have been losing?
shouldn't she have been losing?
shouldn't we have been losing?
shouldn't you have been losing?
shouldn't they have been losing?